I use xampp on macOS. Everything was functioning normally. After upgrading to Catalina version I get a message
Access forbidden! You don't have permission to access the requested directory. There is either no index document or the directory is read-protected.
If you think this is a server error, please contact the webmaster.
Error 403 localhost Apache/2.4.37 (Unix) OpenSSL/1.0.2q PHP/7.2.14 mod_perl/2.0.8-dev Perl/v5.16.3""
This is error log
[Wed Oct 09 21:41:05.766562 2019] [autoindex:error] [pid 31170] (1)Operation not permitted: [client ::1:57399] AH01275: Can't open directory for index: /Users/mini/Documents/htdocs/